CVE-2016-9846

{"id": "CVE-2016-9846", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 2.0}]}, "published": "2016-12-29T22:59:00.573", "references": [{"url": "http://www.openwall.com/lists/oss-security/2016/12/05/18", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2016/12/05/23", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/94765", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html", "tags": ["Patch", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://security.gentoo.org/glsa/201701-49", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2016/12/05/18", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2016/12/05/23", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/94765", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/201701-49", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host."}, {"lang": "es", "value": "QEMU (vulnerabilidad tambi\u00e9n conocido como Quick Emulator) construido con el soporte de emulador Virtio GPU Device es vulnerable a un problema de fuga de memoria. Podr\u00eda ocurrir mientras se actualizan los datos de cursor en update_cursor_data_virgl. Un usuario/proceso invitado podr\u00eda utilizar esta falla para filtrar bytes de memoria del host, resultrando en DoS para un host."}], "lastModified": "2025-04-12T10:46:40.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F83E2010-6463-407A-928D-DB71A705A04C", "versionEndIncluding": "2.7.1"}, {"criteria": "cpe:2.3:a:qemu:qemu:2.8.0:rc0:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "58947AD5-A971-4E22-8D8A-634E2ED5DECD"}, {"criteria": "cpe:2.3:a:qemu:qemu:2.8.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62294521-D8AD-43C1-9B53-D75243DC9A5B"}, {"criteria": "cpe:2.3:a:qemu:qemu:2.8.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "436470C3-919A-40F0-9813-A34CD8F7CF29"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}